This service works for any phone (Alcatel, Kyocera, ZTE, Nokia) FROM MeTROPCS.
This one also supports phones NOT activated on METROPCS and not founds on other 2 database
Good for models:
ZTE : Aspect, Concord II, Zmax
Nokia: Lumia 521, 635
Other models you can use the following (faster/cheaper):
LG Server 1/2 (use the SP_LOCK)
Samsung (Use Samsung METROPCS)
Alcatel Other models (Use alcatel Service)
Any imei of MetroPcs is supported(blacklisted/not found also)
MetroPCS Phone: Including any model from Alcatel, Huawei, LG, Samsung, ZTE.
Some new MetroPCS model do not use "Unlock Code" or "Service Provider Code" to unlock the phone. This new MetroPCS model use "MetroPcs US Device App Unlock(Application Unlock)"
No refund for freeze Samsung phone.
No refund for Simlock Block for Huawei Phone.
No refund for "Device Unlock App" model..